2 PACK OF: Coupling 3/4" Compression x 3/4" 3" L STZ Industries 311CCL-34 (2-PACK) The STZ Industries 311CCL-34 is a durable 3/4 inch compression coupling designed for reliable, leak-free connections in residential and commercial plumbing systems. Featuring compression fittings on both ends, this coupling allows for easy joining of two 3/4 inch copper, CPVC, or plastic pipes without the need for soldering, making it ideal for quick repairs, maintenance, or new installations. Its 3-inch overall length provides ample space for secure fitting engagement and alignment. Constructed from malleable iron and fully galvanized, the coupling offers excellent corrosion resistance and long-term durability in wet and high-moisture environments. The galvanized finish protects against rust and extends service life, whether used indoors or in exposed utility areas. With a maximum pressure rating of 300 psi and a temperature limit of 150 F, it performs reliably in standard water supply lines and hydronic systems. This coupling is lead-free, meeting regulatory requirements for safe use in potable water applications. Each unit is hydrostatically tested at the factory to ensure structural integrity and threading precision. Packaged individually in a protective bag, it maintains surface quality and is ready for immediate installation. Features - 3/4 inch compression x 3/4 inch compression design for no-solder joining - 3 inch length allows for easy alignment and installation - Made from malleable iron for strength and reliability - Fully galvanized finish resists rust and corrosion - Suitable for copper, CPVC, and plastic pipe systems - No soldering required?ideal for repair and retrofit applications - Rated for up to 300 psi maximum pressure - Temperature rated up to 150 F - Lead-free construction for compliance with water safety standards - Bagged packaging for protection and retail readiness Specifications - Brand Name: STZ Industries - Model Name: STZ Industries 311CCL-34 - Part Number: 311CCL-34 - UPC: 019442157876 - Alternative UPC: 032888600041 - Product Type: Coupling - Material: Malleable Iron - Finish: Galvanized - Length: 3 inches - End 1 Diameter: 3/4 inch - End 1 Type: Compression each - End 2 Diameter: 3/4 inch - End 2 Type: Compression - Maximum Pressure: 300 psi - Maximum Temperature: 150 F - Average Lead Content: Lead-Free - Packaging Type: Bagged - Number of Items: 1 - Item Weight: 0.790 lbs - Suggested Users: Unisex-Adult - Manufacturer: STZ Industries - Country of Origin: United States Product Application The STZ Industries 311CCL-34 galvanized compression coupling is engineered for use in potable water, heating, and general plumbing systems requiring a dependable, no-solder connection. Commonly used in residential water lines, repair joints, and mechanical piping, it offers a fast, secure way to join pipes without flame or special tools. Its rugged build and corrosion-resistant finish make it a trusted choice for plumbers, HVAC technicians, and DIYers working on water supply upgrades, fixture replacements, or system maintenance.